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Alerts This Week
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Gentoo: GLSA-202402-12 High: GNU Tar Out Of Bounds Read Threat

gentoo
Calendar Grey February 18, 2024
Scroller Gentoo
Critical alert for GNU Tar on Arch Linux. Immediate update necessary to address the buffer overflow vulnerability.
A vulnerability has been discovered in GNU Tar which may lead to an out of bounds read.

Summary

A vulnerability have been discovered in GNU Tar. Please review the CVE identifier referenced below for details.

Topics%20covered

Topics Covered

security advisory high severity security issue gentoo linux gnu tar out of bounds read

Resolution

All GNU Tar users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=app-arch/tar-1.34-r3"

References

[ 1 ] CVE-2022-48303 https://nvd.nist.gov/vuln/detail/CVE-2022-48303

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
https://security.gentoo.org/glsa/202402-12
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

Severity: High
Title: GNU Tar: Out of Bounds Read
Date: February 18, 2024
Bugs: #898176
ID: 202402-12

Topics%20covered

Topics Covered

security advisory high severity security issue gentoo linux gnu tar out of bounds read

Synopsis

A vulnerability has been discovered in GNU Tar which may lead to an out of bounds read.

Background

The GNU Tar program provides the ability to create tar archives, as well as various other kinds of manipulation.

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Affected Packages

Package Vulnerable Unaffected ------------ ------------ ------------ app-arch/tar < 1.34-r3 >= 1.34-r3

Impact

GNU Tar has a one-byte out-of-bounds read that results in use of uninitialized memory for a conditional jump. Exploitation to change the flow of control has not been demonstrated. The issue occurs via a V7 archive in which mtime has approximately 11 whitespace characters.

Workaround

There is no known workaround at this time.